On Thu, Jul 10, 2014 at 9:24 AM, Borislav Petkov <[email protected]> wrote: > We don't need all that atomicity special fun if we register the reboot > notifier on the BSP, say from mcheck_init() which is done even pre-SMP. > > If that's too early, we can add an initcall or whatever...
OK, will see if I can find a better place for it. > Also, since this is kexec-only, this all should be nicely enabled only > on KEXEC kernels. Please use the ifdeffery sparingly :-) > > I'm saying that because I'm assuming BIOS will clear those MSRs upon > warm reset. If it doesn't, then we have a bigger problem. Even on kexec-enabled kernels, we might be doing a regular BIOS boot. Is there any way to detect that we're doing a kexec boot and only clearing the MSRs in that case? Havard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

